Alert archive / Illinois / Tornado Warnings in 2019

Tornado Warning 36, NWS Lincoln, IL

September 29, 2019Logan County, McLean County, Tazewell County, Illinois

NWS Lincoln, IL issued this tornado warning at Sep 29, 2019, 4:30 PM CDT for Logan County, McLean County, Tazewell County, Illinois. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 29, 2019, 4:30 PM CDT (21:30 UTC)
Expired
Sep 29, 2019, 5:15 PM CDT
In force
45 min
Issued by
NWS Lincoln, IL
Area
Storm-based polygon
Tornado
Observed
Hail
1.75 in

Counties Logan County, IL, McLean County, IL, Tazewell County, IL

The radar

The Lincoln radar (KILX), 18 km from the middle of the area, began a volume at 21:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.5 hours before the alert went out and 66 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2019-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2019-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
7 J/kg
Mixed-layer CIN
-196 J/kg
Mixed-layer LCL
883 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

660 
WFUS53 KILX 292130
TORILX
ILC107-113-179-292215-
/O.NEW.KILX.TO.W.0036.190929T2130Z-190929T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lincoln IL
430 PM CDT Sun Sep 29 2019

The National Weather Service in Lincoln has issued a

* Tornado Warning for...
  Northeastern Logan County in central Illinois...
  Southeastern Tazewell County in central Illinois...
  Southwestern McLean County in central Illinois...

* Until 515 PM CDT.

* At 429 PM CDT, a confirmed tornado was located 2 miles east of Emden, 
  or 10 miles north of Lincoln, moving east at 25 mph.

  HAZARD...Damaging tornado and golf ball size hail.

  SOURCE...Weather spotters confirmed tornado.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* The tornado will be near...
  Armington around 445 PM CDT.
  Atlanta around 500 PM CDT.
  McLean around 510 PM CDT.

This includes the following highways...
 Interstate 155 between mile markers 7 and 16.
 Interstate 55 between mile markers 137 and 145.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4026 8948 4040 8950 4040 8915 4022 8915
TIME...MOT...LOC 2129Z 281DEG 19KT 4030 8944 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Miller
2 follow-up statements
443 
WWUS53 KILX 292151
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
451 PM CDT Sun Sep 29 2019

ILC179-292159-
/O.CAN.KILX.TO.W.0036.000000T0000Z-190929T2215Z/
Tazewell-
451 PM CDT Sun Sep 29 2019

...THE TORNADO WARNING FOR SOUTHEASTERN TAZEWELL COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has 
moved out of the warned area. Therefore, the warning has 
been cancelled.

LAT...LON 4040 8915 4022 8915 4024 8928 4038 8926
TIME...MOT...LOC 2149Z 277DEG 22KT 4029 8925 

$$

ILC107-113-292215-
/O.CON.KILX.TO.W.0036.000000T0000Z-190929T2215Z/
Logan-McLean-
451 PM CDT Sun Sep 29 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR
NORTHEASTERN LOGAN AND SOUTHWESTERN MCLEAN COUNTIES...
    
At 449 PM CDT, radar indicated a possible tornado 5 miles northeast
of Atlanta, moving east-northeast at 25 mph.

HAZARD...Damaging tornado and golf ball size hail.

SOURCE...Weather spotters confirmed a tornado near Emden at 423 pm.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornado will be near...
  McLean around 500 PM CDT.

This includes Interstate 55 between mile markers 138 and 145.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4040 8915 4022 8915 4024 8928 4038 8926
TIME...MOT...LOC 2149Z 277DEG 22KT 4029 8925 

TORNADO...OBSERVED
HAIL...1.75IN

$$

Miller
376 
WWUS53 KILX 292207
SVSILX

Severe Weather Statement
National Weather Service Lincoln IL
507 PM CDT Sun Sep 29 2019

ILC107-113-292216-
/O.EXP.KILX.TO.W.0036.000000T0000Z-190929T2215Z/
Logan-McLean-
507 PM CDT Sun Sep 29 2019

...THE TORNADO WARNING FOR NORTHEASTERN LOGAN AND SOUTHWESTERN MCLEAN
COUNTIES WILL EXPIRE AT 515 PM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

Remember, a Severe Thunderstorm Warning still remains in effect for
southern McLean County until 545 pm.

LAT...LON 4040 8915 4022 8915 4024 8928 4038 8926
TIME...MOT...LOC 2206Z 281DEG 19KT 4027 8914 

$$

Miller

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 29, 10:58 AM CDTFlash Flood WatchILXFulton, Knox, McLean, Marshall, Mason, Peoria and 3 more9 hr
Sep 29, 10:59 AM CDTRiver Flood WarningILXBrown, Cass, Morgan, Schuyler21 days
Sep 29, 2:39 PM CDTSpecial Weather StatementILXFulton51 min
Sep 29, 2:46 PM CDTTornado WarningILXFulton29 min
Sep 29, 3:17 PM CDTTornado WarningILXFulton, Mason, Tazewell28 min
Sep 29, 3:47 PM CDTTornado WarningILXLogan, Mason, Tazewell43 min
Sep 29, 4:55 PM CDTSevere Thunderstorm WarningILXDeWitt, Piatt50 min
Sep 29, 5:06 PM CDTSevere Thunderstorm WarningILXDeWitt, McLean39 min
Sep 29, 5:24 PM CDTSevere Thunderstorm WarningILXChampaign51 min
Sep 29, 5:45 PM CDTSevere Thunderstorm WarningILXChampaign, DeWitt, McLean, Piatt45 min
Sep 29, 6:24 PM CDTSevere Thunderstorm WarningILXChampaign, Vermilion44 min

Nearby

Tornado Warnings in Illinois, 2019Every tornado warning in 2019Tornadoes in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.